1. By pedaling, you turn the large gear through an angle of 60°. AD = 5 inches, and BC = 3 inches. CD, the length of the chain between the gears, is 17 inches. How far does the chain move around the circumference of the gear to the nearest tenth of an inch?

2. As the chain moves, it turns the small gear. If you use the distance you calculated in the previous question, through what angle does the small gear turn to the nearest degree?

A. 100º B. 120º C. 112º D. 106º

Question

1. By pedaling, you turn the large gear through an angle of 60°. AD = 5 inches, and BC = 3 inches. CD, the length of the chain between the gears, is 17 inches. How far does the chain move around the circumference of the gear to the nearest tenth of an inch?

2. As the chain moves, it turns the small gear. If you use the distance you calculated in the previous question, through what angle does the small gear turn to the nearest degree?

A. 100º B. 120º C. 112º D. 106º